package org.seckill.web;

import org.seckill.dto.Exposer;
import org.seckill.dto.SeckillExecution;
import org.seckill.dto.SeckillResult;
import org.seckill.entity.Seckill;
import org.seckill.enums.SeckillStatEnum;
import org.seckill.exception.RepeatKillException;
import org.seckill.exception.SeckillClossException;
import org.seckill.service.SeckillService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.Date;
import java.util.List;

/**
 * Created by think pad on 2017/8/20.
 */

@Controller
public class SeckillController {
    private Logger logger = LoggerFactory.getLogger(this.getClass());

    @Autowired
    private SeckillService seckillService;

    @RequestMapping(value = "/list" ,method = RequestMethod.GET)
    public String list(Model model)
    {
        List<Seckill> list = seckillService.getSeckillList();
        model.addAttribute("list",list);
        return "list";
    }

    @RequestMapping(value = "/{seckillId}/detail" ,method = RequestMethod.GET)
    public String detail(@PathVariable("seckillId") Long seckillId, Model model){
        if(seckillId == null)
        {
            return "redirect:/seckill/list";
        }
        Seckill seckill = seckillService.getById(seckillId);
        if(seckill == null)
        {
            return "forward:/seckill/list";
        }
        model.addAttribute("seckill",seckill);
        return "detail";
    }

    @RequestMapping(value = "/{seckillId}/exposer", method = RequestMethod.POST)
    public @ResponseBody SeckillResult<Exposer> exposer(@PathVariable Long seckillId){
        SeckillResult<Exposer> result;

        try{
            Exposer exposer = seckillService.exportSeckillUrl(seckillId);
            result = new SeckillResult<Exposer>(true,exposer);
        }catch (Exception e){
            logger.error(e.getMessage(),e);
            result = new SeckillResult<Exposer>(false,e.getMessage());
        }
        return result;
    }

    @RequestMapping(value = "/{seckillId}/{md5}/execution", method = RequestMethod.POST,
        produces = {"application/json"} )

    public @ResponseBody SeckillResult<SeckillExecution> execute(
            @PathVariable("seckillId") Long seckillId,
            @PathVariable("md5") String md5,
            @CookieValue(value = "killPhone",required = false) Long phone){
        if(phone == null)
        {
            return new SeckillResult<SeckillExecution>(false,"未注册");
        }

        SeckillResult<SeckillExecution> result;

        try {

            SeckillExecution executioin = seckillService.executeSeckill(seckillId,phone,md5);

            return new SeckillResult<SeckillExecution>(true,executioin);

        } catch (RepeatKillException e){
            SeckillExecution executioin = new SeckillExecution(seckillId, SeckillStatEnum.REPEAT_KILL);
            return new SeckillResult<SeckillExecution>(true,executioin);
        } catch (SeckillClossException e){
            SeckillExecution execution = new SeckillExecution(seckillId,SeckillStatEnum.END);
            return new SeckillResult<SeckillExecution>(true,execution);
        } catch (Exception e){
            logger.error(e.getMessage(),e);
            SeckillExecution execution = new SeckillExecution(seckillId,SeckillStatEnum.INNER_ERROR);
            return new SeckillResult<SeckillExecution>(true,execution);
        }
    }

    @RequestMapping(value = "/time/now" ,method = RequestMethod.GET)
    public @ResponseBody SeckillResult<Long> time(){
        Date now = new Date();
        return new SeckillResult<Long>(true,now.getTime());
    }
}
